Groundwater Survey Equipment Resistivity Imaging Technology Geophysical Resistivity Meter
Groundwater Survey Equipment Resistivity Imaging Technology
The Geophysical Resistivity Meter is a state-of-the-art instrument designed for comprehensive subsurface exploration. It integrates advanced resistivity and IP imaging technologies, making it indispensable for a wide range of applications.
Key Features:
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Multi-functionality: Capable of 2D and 3D resistivity imaging, IP measurements, and groundwater detection.
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High precision: Measures voltages as low as 0.1mV and currents as small as 0.1mA with ±1% accuracy.
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Wireless control: Operates via Bluetooth-enabled Pocket PC, allowing remote control within a 10-meter range.
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Robust design: Encased in an imported airproof box, it is waterproof, dustproof, and built for durability.
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Applications:
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Energy exploration: Ideal for locating oil, gas, and geothermal resources.
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Civil engineering: Essential for surveying dam sites, bridges, and railways.
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Mineral exploration: Effective in detecting both metallic and non-metallic minerals.
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Hydrogeology: Used for groundwater detection and flood risk assessment.
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Advantages:
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Portability: Combines transmitter and receiver in a compact, lightweight unit.
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Wide measurement range: Supports voltage, current, apparent resistivity, SP, and IP parameters.
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Anti-interference technology: Utilizes multi-stage filtering and signal enhancement for high accuracy.
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User-friendly interface: Pocket PC control simplifies data sampling, storage, and analysis.
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Function
System |
System model | Host machine | Converter | DC high voltage power | Cable & Electrode |
| Centralized 2D multi-electrode Res Survey | WGMD-9 | WDA-1 | WDZJ-4/ WDZJ-120 | External | Centralized cable and electrodes |
| Distributed 2D/ 3D multi-electrode Res survey | WGMD-9A | WDA-1 | N/M | External | Distributed multi-electrode Res survey cable and electrodes |
| Distributed 2D multi-electrode Res & IP survey | WGMD-9B | WDA-1 | N/M | External | Distributed multi-electrode Res & IP survey cable and electrodes |
| Cable | 5m space cable, 10m space cable(optional) | ||||
Host machine(WDA-1) parameter:
| Receiving part | |
| Voltage channel | ±32V(24 bit A/D) |
| Measurement accuracy | Vp≥5mV, ±0.2% ±1 character, 0.1mV≤Vp<5mV, ±1% ±1 character |
| Input impedance | >50MΩ |
| Apparent polarization accuracy | ±1%±1character |
| SP compensation range | ±10V |
| Current channel | 6A(24bit A/D) |
| Measurement accuracy | Ip≥5mA, ±0.2% ±1character, 0.1mA≤Ip≤5mA, ±1% ±1 character |
| As for 50Hz industrial interface(common and different mode)depression | Better than 80dB |
| Transmitter part | |
| Maximum power | 7200W |
| Maximum supply voltage | ±1200V |
| Maximum supply current | ±6A |
| Supply current width | 1~60s, duty rate 1:1 |
| Others | |
| Working temperature | -10℃~+50℃, 95%RH |
| Storage temperature | -20℃~+60℃ |
| Power supply | Built-in 7.4V4Ah(or outside 12V), lasting for 20h |
| Main unit port | A, B, M, N, DC high voltage, outside battery, 2 cable port, RS-232, blue tooth |
| Weight | ≤4kg |
| Dimension | 270mm*246mm*123mm |
| Pocket PC | |
| Windows mobile 5.0 system, 624MHz, 640*480 true color, 128MB Flash ROM /64MB SDRAM, 512MB CF card, Blue-tooth, infrared, serial port, 2 rechargeable batteries, with Word, Excel. | |
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